Roving Blue Q&AAnswer
Jun 29, 2023 - 12:06 PM
As far as water pens go, there have been several, but the latest technology in water purifying pens is undoubtedly the Ozo-Pen, a product made by Roving Blue, a Wisconsin company that has pioneered portable water purifying technology using "the Power of EO3" electrolytic ozone. Ozone when dissolved in water is far more powerful than chlorine, so it quickly makes water safe from microbes that can make you sick. 
